Description: Essentia Health St. Mary’s-Mahnomen Clinic, Mahnomen, MN, located just north of Detroit Lakes on Highway 59, is a family practice staffed with physicians from our Detroit Lakes Clinic to provide care to the community of Mahnomen and the surrounding area. Healthcare services include family medicine, lab service, obstetrical care, and geriatric medicine. The Mahnomen Clinic is affiliated with St. Mary’s Hospital, one of Essentia Health’s many Catholic facilities.